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Recently, learning open-vocabulary semantic segmentation from text supervision has achieved promising downstream performance. Nevertheless, current approaches encounter an alignment granularity gap owing to the absence of dense annotations,…

计算机视觉与模式识别 · 计算机科学 2024-03-07 Yajie Liu , Pu Ge , Qingjie Liu , Di Huang

Aligning signals from different modalities is an important step in vision-language representation learning as it affects the performance of later stages such as cross-modality fusion. Since image and text typically reside in different…

计算机视觉与模式识别 · 计算机科学 2022-03-29 Jiali Duan , Liqun Chen , Son Tran , Jinyu Yang , Yi Xu , Belinda Zeng , Trishul Chilimbi

To solve video-and-language grounding tasks, the key is for the network to understand the connection between the two modalities. For a pair of video and language description, their semantic relation is reflected by their encodings'…

计算机视觉与模式识别 · 计算机科学 2023-02-28 Yubo Zhang , Feiyang Niu , Qing Ping , Govind Thattai

With the flourishing of social media platforms, vision-language pre-training (VLP) recently has received great attention and many remarkable progresses have been achieved. The success of VLP largely benefits from the information…

计算机视觉与模式识别 · 计算机科学 2024-10-17 Zhiyuan Ma , Jianjun Li , Guohui Li , Kaiyan Huang

Pre-trained multi-modal Vision-Language Models like CLIP are widely used off-the-shelf for a variety of applications. In this paper, we show that the common practice of individually exploiting the text or image encoders of these powerful…

计算机视觉与模式识别 · 计算机科学 2025-02-07 Marco Mistretta , Alberto Baldrati , Lorenzo Agnolucci , Marco Bertini , Andrew D. Bagdanov

Various state-of-the-art self-supervised visual representation learning approaches take advantage of data from multiple sensors by aligning the feature representations across views and/or modalities. In this work, we investigate how…

计算机视觉与模式识别 · 计算机科学 2022-11-28 Thomas M. Hehn , Julian F. P. Kooij , Dariu M. Gavrila

Different modalities hold considerable gaps in optimization trajectories, including speeds and paths, which lead to modality laziness and modality clash when jointly training multimodal models, resulting in insufficient and imbalanced…

机器学习 · 计算机科学 2025-06-17 Xiaoyu Ma , Hao Chen , Yongjian Deng

We study joint video and language (VL) pre-training to enable cross-modality learning and benefit plentiful downstream VL tasks. Existing works either extract low-quality video features or learn limited text embedding, while neglecting that…

计算机视觉与模式识别 · 计算机科学 2022-07-11 Hongwei Xue , Tiankai Hang , Yanhong Zeng , Yuchong Sun , Bei Liu , Huan Yang , Jianlong Fu , Baining Guo

With the advent of large-scale multimodal video datasets, especially sequences with audio or transcribed speech, there has been a growing interest in self-supervised learning of video representations. Most prior work formulates the…

计算机视觉与模式识别 · 计算机科学 2020-09-21 Bruno Korbar , Fabio Petroni , Rohit Girdhar , Lorenzo Torresani

In the field of multimodal sentiment analysis (MSA), a few studies have leveraged the inherent modality correlation information stored in samples for self-supervised learning. However, they feed the training pairs in a random order without…

机器学习 · 计算机科学 2022-12-16 Sijie Mai , Ya Sun , Haifeng Hu

Incorporating additional sensory modalities such as tactile and audio into foundational robotic models poses significant challenges due to the curse of dimensionality. This work addresses this issue through modality selection. We propose a…

机器人学 · 计算机科学 2025-04-22 Jiawei Jiang , Kei Ota , Devesh K. Jha , Asako Kanezaki

In recent years, data selection has emerged as a core issue for large-scale visual-language model pretraining, especially on noisy web-curated datasets. One widely adopted strategy assigns quality scores such as CLIP similarity for each…

机器学习 · 计算机科学 2024-02-06 Yiping Wang , Yifang Chen , Wendan Yan , Kevin Jamieson , Simon Shaolei Du

Unsupervised Domain Adaptation (UDA) seeks to transfer knowledge from a labeled source domain to an unlabeled target domain but often suffers from severe domain and scale gaps that degrade performance. Existing cross-attention-based…

计算机视觉与模式识别 · 计算机科学 2026-03-19 Zelin Zang , Yehui Yang , Fei Wang , Liangyu Li , Baigui Sun

Few-shot image classification remains a critical challenge in the field of computer vision, particularly in data-scarce environments. Existing methods typically rely on pre-trained visual-language models, such as CLIP. However, due to the…

计算机视觉与模式识别 · 计算机科学 2026-02-17 Xi Yang , Pai Peng , Wulin Xie , Xiaohuan Lu , Jie Wen

Contrastive learning (CL) for Vision Transformers (ViTs) in image domains has achieved performance comparable to CL for traditional convolutional backbones. However, in 3D point cloud pretraining with ViTs, masked autoencoder (MAE) modeling…

计算机视觉与模式识别 · 计算机科学 2024-07-09 Bin Ren , Guofeng Mei , Danda Pani Paudel , Weijie Wang , Yawei Li , Mengyuan Liu , Rita Cucchiara , Luc Van Gool , Nicu Sebe

Multimodal video understanding plays a crucial role in tasks such as action recognition and emotion classification by combining information from different modalities. However, multimodal models are prone to overfitting strong modalities,…

计算机视觉与模式识别 · 计算机科学 2025-10-14 Xiaoyu Ma , Ding Ding , Hao Chen

Due to the severe lack of labeled data, existing methods of medical visual question answering usually rely on transfer learning to obtain effective image feature representation and use cross-modal fusion of visual and linguistic features to…

多媒体 · 计算机科学 2021-05-04 Haifan Gong , Guanqi Chen , Sishuo Liu , Yizhou Yu , Guanbin Li

Despite their strong ability to retrieve knowledge in English, current large language models show imbalance abilities in different languages. Two approaches are proposed to address this, i.e., multilingual pretraining and multilingual…

计算与语言 · 计算机科学 2024-04-09 Changjiang Gao , Hongda Hu , Peng Hu , Jiajun Chen , Jixing Li , Shujian Huang

As deep learning models evolve, new applications and challenges are rapidly emerging. Tasks that once relied on a single modality, such as text, images, or audio, are now enriched by seamless interactions between multimodal data. These…

Recently, significant progress has been made in multi-modal continual learning, aiming to learn new tasks sequentially in multi-modal settings while preserving performance on previously learned ones. However, existing methods mainly focus…

多媒体 · 计算机科学 2026-03-10 Yuyang Hong , Qi Yang , Tao Zhang , Zili Wang , Zhaojin Fu , Kun Ding , Bin Fan , Shiming Xiang